Carrie Prejean has been calling Donald Trump, who owns the Miss Universe and Miss USA pageants, for advice on what she should do since she was fired as Miss California and a sex tape surfaced. Prejean — a Christian who was vilified because she opposes gay marriage — has lost all credibility and her reputation has been blown to shreds, Trump told one source. “Maybe,” Mr. Trump said only half-jokingly, “she should become a major porn star, make millions of dollars, and give it to worthy causes.”